A physical quantity detection circuit includes a physical quantity signal generation circuit that generates a physical quantity signal according to magnitude of a physical quantity based on a detection signal output from a physical quantity detection element, an abnormality determination circuit that determines whether or not the physical quantity detection element is potentially abnormal based on a value of the physical quantity signal and an amount of change of the value of the physical quantity signal, and an abnormality diagnostic circuit that diagnoses whether or not the physical quantity detection element is abnormal if the abnormality determination circuit determines that the physical quantity detection element is potentially abnormal.
PHYSICAL QUANTITY DETECTION CIRCUIT, PHYSICAL QUANTITY DETECTION APPARATUS, INERTIAL MEASUREMENT UNIT, VEHICLE POSITIONING APPARATUS, PORTABLE ELECTRONIC APPARATUS, ELECTRONIC APPARATUS, AND VEHICLE
2019-05-02
Patent
Electronic Resource
English
Circuit device, physical quantity measurement device, electronic apparatus, and vehicle
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